Sui Blockchain Swiftly Resumes After Critical 6-Hr Outage

By Edited By Sahana Kiran,
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What to Know

  • Gas logic bug in v1.72 halted Sui from 14:15–20:32 UTC. No funds lost.
  • Cetus, NAVI, Panzerdogs, USDC transfers down, showing layer-1 risk.
  • Sui team to publish full post-mortem. Outage highlights need for network resilience.
Sui Blockchain

Sui blockchain has resumed operations after a 6-hour network outage on May 28. The interruption is a reminder that layer-1 blockchain infrastructure is still grappling with technical issues, even as the industry is focusing on scale and reliability for DeFi and on-chain protocols.

Sui Network Disruption Caused by a Gas Logic Issue

The network outage started around 14:15 UTC, after which block production on the entire Sui network was frozen. At 20:32 UTC, the main SuiNetwork team announced that they were fully operational again. The developers discovered that the cause of the chain-up was a bug in the gas charge mechanism introduced in the 1.72 version. Validators were unable to handle transactions because of the error, and so the chain was at a standstill. The team also confirmed that no customers’ assets were lost and that the wallet balances stayed safe at all times.

Sui Blockchain
Source: Magic Eden

Also Read: SUIG Partners with Bluefin to Drive Institutional Sui Blockchain Adoption

DeFi and Stablecoin Usage Gets a Brake

At that time, many essential Sui-based services were unavailable. The decentralized exchanges and apps Cetus NAVI the gaming project Panzerdogs, and stablecoin USDC transfers were parts of the network that were not operating. The halt highlighted the reliance of on-chain protocols on the base-layer stability.

The users and developers got However, an event that showed the risks of operations of smart contract platforms when there are validator-level mistakes, even without exploits or security breaches.

Also Read: Most Viral Altcoins in 2025: Unilabs, SUI Blockchain, Hedera

Attention Goes to Openness and Stability

The Sui core team has promised that the complete incident investigation will be made public in the next few days. Experts believe the paper will explain the root causes and list the measures put in place to stop the incident from happening again.

For the entire blockchain industry, the blackout is a sign that network resilience is a must for the adoption of both institutional and retail. Even though downtime events put trust at risk, honest post-mortems and quick recovery underpin the long-term faith in the reliability of layer-1 blockchains.

Also Read: SUI Blockchain Gains Major Boost as Canary Capital Seeks SEC Approval for First-Ever ETF

Ananthyka J

Ananthyka J

Ananthyka J is a market reporter at Tronweekly, reporting on cryptocurrency news. She covers cryptocurrency markets, blockchain technology, and digital asset regulation, focusing on Bitcoin, Ethereum, DeFi, altcoins, and crypto policy. Her reporting emphasizes clear and accurate market coverage, including crypto market movements, regulatory developments, and blockchain adoption. She holds a BA in Journalism and Mass Communication and an MA in Communication and Media Studies. She has also completed multiple media internships, follows strict editorial and fact-checking standards, and discloses potential conflicts of interest when reporting.

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